128520237 is an odd 9-digits composite number following 128520236
and preceding 128520238 . In scientific notation, it is written as 1.28520237 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 80813952 positive integers (up to 128520237) that are relatively prime to 128520237.
128520237 has 16 divisors, whose sum is 181172160
The reverse of 128520237 is 732025821
Previous prime number is 233
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-eight million five hundred twenty thousand two hundred thirty-seven
Scientific notation
1.28520237 × 10^8
Engineering notation
1.28520237 × 10^6
Prime Factorization
3 × 19 × 233 × 9677
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128520237
Product of the distinct prime numbers
The prime factorization of 128520237 is 3 × 19 × 233 × 9677.
Since it has a total of 4 prime factors.
7 , 2 , 7 , 14 , 987 , 675 , 7068 , 4305 , 31071 , 88693 , 438473 , 654207 , 3599788 , 8402449 , 44148863 , 33604126 , 53683163 , 850585090 , 1783696435 , 2664094537
n×2
257040474
n×3
385560711
n×4
514080948
n×5
642601185
n÷2
64260118.5
n÷3
42840079
n÷3
32130059.25
n÷5
25704047.4
n2
16517451318536169
n3
2.1228267580942E+24
n4
2.7282619806021E+32
n5
3.5063687634507E+40
2 √n
11336.676629418
3 √n
504.65026531587
4 √n
106.47383072576
5 √n
41.859525738865
1 , 3 , 19 , 57 , 233 , 699 , 4427 , 9677 , 13281 , 29031 , 183863 , 551589 , 2254741 , 6764223 , 42840079 , 128520237
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128520236
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128520237 can be divided by 16 positive divisors.
The sum of these divisors (counting 128520237) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010010001000000101101
3
Ternary
22221211111121210
4
Quaternary
13222101000231
5
Quinary
230400121422
6
Senary
20430345033
8
Octal
752210055
10
Decimal
128520237
12
Duodecimal
3705b179
16
Hexadecimal
7a9102d
20
Vigesimal
20350bh
36
Base36
24imul
md5
8b378d6a8532e5e66beae01873c25a04
sha1
6b14c5b2303df1826320bf514901a16f7d096990
sha256
0427fba8936dbac61db4a0eda9c020b49bf7738cc5592bcf0f619e2a08e282e5
sha512
d650786f12f311193b030e0d578df82d13073de702e57f38810cc23a1bebe1d9e73a27b5cd818716dcacb6a0ccad719cc07b2eaff73d559ad9482f76f727d961
ripemd-160
5a6a9e61c7a6256ef3a59ea7d6a8b9a6b1adfc02
Diameter
257040474
Circumference
807516464.79364
Area
5.189110371834E+16
Volume
8.8920759307636E+24
Surface area
2.0756441487336E+17
Circumference
807516464.79364
Perimeter
514080948
Area
16517451318536169
Diagonal
181755062.2048
Surface area
99104707911217014
Volume
2.1228267580942E+24
Space diagonal
222603580.28479
Perimeter
385560711
Area
7.1522662238125E+15
Altitude
111301790.1424
Surface area
7.1522662238125E+15
Volume
2.5017753265545E+23
Height
60585020.734935